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o ;j� � @ s� d Z ddlZddlZddlZddlmZmZmZ G dd� de�Z G dd� dej �Z G dd � d ej �Z G d d � d ej �Z G d d � d �ZdS )a; ELF file parser. This provides a class ``ELFFile`` that parses an ELF executable in a similar interface to ``ZipFile``. Only the read interface is implemented. Based on: https://gist.github.com/lyssdod/f51579ae8d93c8657a5564aefc2ffbca ELF header: https://refspecs.linuxfoundation.org/elf/gabi4+/ch4.eheader.html � N)�IO�Optional�Tuplec @ s e Zd ZdS )� ELFInvalidN)�__name__� __module__� __qualname__� r r �F/opt/saltstack/salt/lib/python3.10/site-packages/packaging/_elffile.pyr s r c @ � e Zd ZdZdZdS )�EIClass� � N)r r r ZC32ZC64r r r r r � r c @ r )�EIDatar r N)r r r ZLsbZMsbr r r r r r r c @ s e Zd ZdZdZdZdZdZdS )�EMachine� � �( �> � N)r r r ZI386ZS390ZArmZX8664ZAArc64r r r r r s r c @ sV e Zd ZdZdee ddfdd�Zdedee df fd d �Z e de e fd d ��Z dS ) �ELFFilez. Representation of an ELF executable. �f�returnNc C s || _ z| �d�}W n tjy td��w t|d d� �}|dkr*td|����|d | _|d | _zddd d d �| j| jf \}| _| _ W n t y\ td | j� d | j� d���w z| �|�\ }| _ }}| _ }| _ }| _| _W d S tjy� } ztd�|�d }~ww )NZ16Bz unable to parse identification� s ELFzinvalid magic: � )z <HHIIIIIHHHz <IIIIIIII�r r r )z >HHIIIIIHHHz >IIIIIIIIr )z <HHIQQQIHHHz <IIQQQQQQ�r r r )z >HHIQQQIHHHz >IIQQQQQQr ))r r )r r )r r )r r zunrecognized capacity (z) or encoding (�)z/unable to parse machine and section information)�_f�_read�struct�errorr �bytesZcapacity�encoding�_p_fmt�_p_idx�KeyError�machine�_e_phoff�flags� _e_phentsize�_e_phnum)�selfr �ident�magicZe_fmt�_�er r r �__init__, sV � � � ��� � ��zELFFile.__init__�fmt.c C s t �|| j�t �|���S )N)r! �unpackr �read�calcsize)r- r3 r r r r Z s z ELFFile._readc C s� t | j�D ]H}| j�| j| j| � z| �| j�}W n tj y% Y qw || j d dkr0q| j�|| j d � t � | j� || j d ���d� S dS )zH The path recorded in the ``PT_INTERP`` section header. r r r r � N)�ranger, r �seekr) r+ r r% r! r" r& �os�fsdecoder5 �strip)r- �index�datar r r � interpreter] s �&zELFFile.interpreter)r r r �__doc__r r# r2 �strr �intr �propertyr r? r r r r r ' s .r )r@ �enumr: r! �typingr r r � ValueErrorr �IntEnumr r r r r r r r �<module> s
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